ADM222 Analog Devices, ADM222 Datasheet - Page 6

• Manufacturer Part Number: ADM222
• Description: High Speed/ +5 V/ 0.1 uF CMOS RS-232 Drivers/Receivers
• Manufacturer: Analog Devices

ADM222/ADM232A/ADM242–Typical Performance Characteristics
Figure 14. Transmitter Baud Rate vs. Load Capacitance
12
10
9
8
7
6
5
4
3
2
8
6
4
2
Figure 15. Transmitter Unloaded Slew Rate
0
Figure 13. Charge Pump V+, V– vs. Current
0
0
V
T
TX1 = +5V; TX2 = 0V – 5V SQUARE WAVE
BOTH TX OUTPUTS LOADED WITH 3k//CL
CC
A
= +25°C
100
90
10
0%
= +5V
5V
A2
1000
5V
LOAD CAPACITANCE – pF
V–
V+
5
I+, ( I– ) – mA
2000
1µs
10
2.4V
3000
T
V
A
CC
= +25°C
120kB
200kB
500kB
= ±5V
400kB
20kB
60kB
4000
15
–6–
Figure 16. Transmitter Output Voltage vs. Current
Figure 17. Charge Pump V+, V– Exiting Shutdown
Figure 18. Transmitter Fully Loaded Slew Rate
10
12
8
6
4
2
0
0
100
0%
90
10
100
0%
90
10
2
5V
A1
A4
5V
–0.6 V
4
0.010V
5V
5V
T
OUT
6
I
OUT
LOW
– mA
1 µs
8
T
OUT
HIGH
100µs
10
T
V
A
CC
= +25°C
12
= ±5V
14
REV. 0